Fuel tank for outboard motors



Oct. 20, 1931. HAHM FUEL TANK FOR OUTBOARD MOTORS Filed Nov. 19, 1929Patented, Oct. 1931 i' lf f I I I ononon H.HAI-IM, or M mimaaw anrtsni lApplication filed November 19, 1929. seriar-ivo. rose-7s.

This invention relates to fuel tanks of out- Fi 'ure 4 is a sectional"iew of the 10 ular board motors. Out board motor engines are pet-cock.i; I extremely hard to start and at times it is im-' Referring to thesedrawings, 10 designates possible to start the engine and sometimes. it afuel tank-Which in ordinary circumstances 3 1 I takes from fifty toseventy-five efforts before will be 11 ,43 inches long by 4% inches.wide 5 the engine will start. This is not onlyjexand 3% inches deep. Thefloor 11 of this tank tremely irritating to put it mildy, but oftenextends downward toward one corner of the leads to accidents in vwhichthe person starttank as shown and from this low corner of the ing themotor is injured. Ihave found, after tank extends a pipe 12 connectingwith a' 1 many years of experience with out-board mohollow pet-cock body13 having a tap 14 at 60 I tors, that the trouble is caused by thesweatitslower end.- Above this pet-cock body 13, v ing of the gas tank,moisture gathering on a pipe-15 extends to the carburetor provided theinside of the gas tank and gradually with a tap or valve 16. I do notwish to be trickling down into the'gasoline and settling limited tov theparticular form of pet-cock 15 to the bottom of the tank. This isparticularnor to the particular form of valves except 65 ly due to thefact that the fuel slopsaround as stated in the claims. This gas tankmay. in the interior of the tank and gathers up this be supported by twoarms extending out from water. Furthermore sediment gathers in the themuffler and fastened to the same. I do j H V bottom of" the tank andwhen an attempt is not wish to be limited to this, however. i J

made to start the n1ot0r,the sediment and By means'of my device allsediment or wa- Io water pass to the carburetor instead of gasoter inthe fuel tank gathers in the pet-cock line. As a consequence, of course,the charge body. Before starting the engine,- the tap 14 will notexplode, the engine misses fire and 1s opened and one ortwo'tablespoonfuls oft attempt after attempt must be made until themixture of water and foreign matter are this water has been discharged.If the water drawn off. The tap 14 is then closed and the gets into thecarburetor, it is impossible to valve to the carbureter is then openedand e I start the engine until the water has been 1 pure fuel is'thendelivered to the carburetor gott n id of, and the engine willimmediately start up The object of my invention, therefore, is uponbeingcranked assuming that the spark 30 to provide a fuel tank so constructedthat plug is in working order and the gas mixture" the water whichhas'accurnulated within the and spark have been properly adjusted. fueltank may be discharged before any at- I have found in actual practicethat the tempt is made to start the engine and to this vnumerousfailures of out-board motors to end to so construct the gas'tank that itis start can b entirely overcome by using this I deeper atone point, asfor instanc at One tankand that of'starting trouble is elimcorner of thetank than it is anywhere else so i t d ith my d ic 1 that the water andsediment will naturally I 1 i gravitate a this corner a to Pr a P l-'The combination with an out-boardmo- 0 cock at this corner whereby'thissediment and to f a fu l tank therefor having a flat bot- '96 watermay be removed, permitting the pure tom inclined downward and laterallyto one gasoline to pass to thecarbureter. corner of the tank whereby onecorner of the My invention is illustrated. in theaccomtank is disposedat a point lower than any panying drawings, wherein: other point of thebottom, a hollow pet-cock, Figure 1 is a side elevation of an out-board"body having a pipe connection to thelowest motor fuel tank constructedin accordance portion of the bottom to thus permit it to re'-' with myinvention; I 5 ceive sediment and water, the lowerend of Figure 2 is anend View thereof; this pet-cock body having a manually oper-. I

Figure 3 is a view on the opposite endof able drainage valve and apipeconnection t c 50 the tank from Figure 2; I V the carbureter leadingfrom the pipe connection to the hollow pet-cock and provided With avalve. 2. A gas tank for outboard motors having a bottom so formed as toprovide at one corher of the tank a depressed Water and sedinuentcollecting portion forming the lowest ,7

portion of the tank, a pipe extending doWnard from this depressedportion, a pet cock 1 bureter connection having a Valve.

' connected to the lower endof the pipe, the pet 10 cock being formed toprovide a Water collecting chamber, and a Carlo-ureter connectionextending'from thesaid pipe above the Water collecting chamber formed bysaid pet cock and below the bottom of the tank, said oarsignature, A

lntestimony whereof hereunto afl'ix my v GEORGE 1-1. HAHM.

